2 件の回答
Hi Brandon,
Rather than looking for an apex based solution I would recommend to go with a process builder and flow based solution which would be much more easier to setup. I have explained how to setup process and flow for a very similar scenario in my blog post below.
https://force-base.com/2016/12/03/power-of-point-click-series-4-auto-associate-a-new-lead-with-an-existing-contact-using-flows/
That should work for you.